YAN TAI DEVELOPMENT ZONE BLUE WHALE MAINTENANCE WELDING CO., LTD.

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Yantai, Shandong, CN

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Patents Grantslast 30 patents

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Hot coiler drum working at 900-1200° C. and method for producing th...
- Patent number 9,186,713
- Issue date Nov 17, 2015
- YAN TAI DEVELOPMENT ZONE BLUE WHALE MAINTENANCE WELDING CO., LTD.
- Dianshuang Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR